1851 Saldanha raises an insurrection. Oporto declares for Saldanha. He is made prime minister.
1852 The Cortes revises the constitution, and queen and prince royal swear allegiance to it. Public debt funded.
1853 Maria II dies, leaving her husband as regent for her son Pedro V.
1854 Royal slaves freed.
1855 The king comes of age.
1856 Saldanha ministry resigns. First railway opened.
1857 Fever ravages Lisbon. The French slave-ship Charles-et-Georges seized.
1858 The French government threatens war; the ship is released and Portugal compelled to pay compensation.
1861 Pedro dies of cholera and is succeeded by his brother Luiz I.
1862 Duke of Loulé prime minister. Luiz marries the daughter of the king of Italy.